Optical response in one dimensional Mott Insulators

Details Optical response in one dimensional Mott Insulators Optical response in one dimensional Mott Insulators

2000-12-22

arxiv.org/abs/cond-mat/0012443v1

Phys. Rev. B 64, 085119 (2001).

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.64.085119

We study the optical response of a Mott Hubbard system in the framework of
the half--filled Extended Hubbard Model using the Density Matrix
Renormalization Group (DMRG) method. We discuss the appearance of excitonic
features inside the spectral gap as the system goes from the Spin Density Wave
(SDW) to the Charge Density Wave (CDW) phase.

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